/*
 * Copyright (C) 2010-2011 Mathias Doenitz
 *
 * Based on peg-markdown (C) 2008-2010 John MacFarlane
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.pegdown.ast;

public class AnchorLinkNode extends TextNode {

    private final String name;

    public AnchorLinkNode(String text) {
        super(text);
        this.name = generateName(text);
    }

    public AnchorLinkNode(String textForName, String text) {
        super(text);
        this.name = generateName(textForName);
    }

    @Override
    public void accept(Visitor visitor) {
        visitor.visit(this);
    }

    public String getName() {
        return name;
    }

    private String generateName(String text) {
        StringBuilder sb = new StringBuilder(text.length());
        for (char c : text.toCharArray()) {
            if (Character.isLetterOrDigit(c)) {
                sb.append(Character.toLowerCase(c));
            } else if (sb.length() > 0 && sb.charAt(sb.length() - 1) != '-') {
                sb.append('-');
            }
        }
        return sb.toString();
    }

}
